Prepared and published by the National Imagery and Mapping Agency. Depths shown by isolines and soundings. Relief shown by hachures and spot heights. "From various sources to 1962." "Copyright 1996 by the United States Government. No copyright claimed under Title 17 U.S.C." "Soundings in meters." Georeferenced nautical chart. Map no. 29008. This map is part of a collection of scanned and georeferenced nautical charts produced by the National Geospatial-Intelligence Agency (NGA). United States. National Imagery and Mapping Agency. (1996). Antarctica, Marie Byrd Land, Cape Colbeck to Cape Herlacher (Raster Image). LandInfo. Available at: https://purl.stanford.edu/zc038cr7077 This layer is presented in the WGS84 coordinate system for web display purposes. Downloadable data are provided in native coordinate system or projection.